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 * @Author: gaohj
 * @Date: 2022-12-23 10:16:37
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 * @LastEditTime: 2022-12-23 10:35:26
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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // var username = prompt("请输入用户名");
        // var password = prompt("请输入密码");
        // console.log('用户名:'+username+',密码:'+password);
        // console.log(`用户名:${username},密码:${password}`);

        // var r = parseFloat(prompt('请输入圆的半径'));
        // var pi = 3.14;

        // var area = pi * r * r;
        // var girth = 2 * pi * r;
        // console.log(`圆的面积:${area},圆的周长:${girth}`);

        // var year = parseInt(prompt('请输入年份'));
        // console.log((year % 4 == 0 && year % 100 != 0)  || year % 400 == 0 );

        var l = 45678.9;
        var t = 40;
        console.log(l/t);
        // 1141.9725 小时 
        // 1141.9725 里边有多少个24 -> 天 
        // 多少个3600 小时
        // 多少个60 分钟
        // 
    </script>
</body>
</html>